ESR study of light-induced valence tautomerism of a dinuclear Co complex

Yoshio Teki, Mugen Shirokoshi, Shinji Kanegawa, Osamu Sato

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Abstract

Light-induced valence tautomerism (LIVT) of a dinuclear complex, [{Co(dpqa)}2(dhbq)](PF6)3 (1), was investigated by ESR analysis of dhbq3-. LIVT phenomena were observed in the sample diluted in the glass matrix as well as that in powder form. The signal decay and the relaxation were analyzed by double exponential fitting; the results suggest a two-step mechanism. Quantum mechanical tunneling was clearly observed in the glass matrix. Light-induced valence tautomerism (LIVT) of a dinuclear complex, [{Co(dpqa)}2(dhbq)](PF6)3 (1), was investigated by ESR analysis of dhbq3-. LIVT phenomena were observed in the glass matrix as well as in the powder sample. The signal decay and the relaxation, analyzed by double exponential fitting, suggest a two-step mechanism. Quantum tunneling phenomena were clearly observed in the glass matrix.

Original languageEnglish
Pages (from-to)3761-3767
Number of pages7
JournalEuropean Journal of Inorganic Chemistry
Issue number25
DOIs
Publication statusPublished - Sep 1 2011

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Paramagnetic resonance
Glass
Powders

All Science Journal Classification (ASJC) codes

  • Inorganic Chemistry

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ESR study of light-induced valence tautomerism of a dinuclear Co complex. / Teki, Yoshio; Shirokoshi, Mugen; Kanegawa, Shinji; Sato, Osamu.

In: European Journal of Inorganic Chemistry, No. 25, 01.09.2011, p. 3761-3767.

Research output: Contribution to journalArticle

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